mp4pyldutil.cpp

来自「symbian 下的helix player源代码」· C++ 代码 · 共 91 行

/* ***** BEGIN LICENSE BLOCK ***** 
 * Version: RCSL 1.0/RPSL 1.0 
 *  
 * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved. 
 *      
 * The contents of this file, and the files included with this file, are 
 * subject to the current version of the RealNetworks Public Source License 
 * Version 1.0 (the "RPSL") available at 
 * http://www.helixcommunity.org/content/rpsl unless you have licensed 
 * the file under the RealNetworks Community Source License Version 1.0 
 * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl, 
 * in which case the RCSL will apply. You may also obtain the license terms 
 * directly from RealNetworks.  You may not use this file except in 
 * compliance with the RPSL or, if you have a valid RCSL with RealNetworks 
 * applicable to this file, the RCSL.  Please see the applicable RPSL or 
 * RCSL for the rights, obligations and limitations governing use of the 
 * contents of the file.  
 *  
 * This file is part of the Helix DNA Technology. RealNetworks is the 
 * developer of the Original Code and owns the copyrights in the portions 
 * it created. 
 *  
 * This file, and the files included with this file, is distributed and made 
 * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 
 * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES, 
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS 
 * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
 * 
 * Technology Compatibility Kit Test Suite(s) Location: 
 *    http://www.helixcommunity.org/content/tck 
 * 
 * Contributor(s): 
 *  
 * ***** END LICENSE BLOCK ***** */ 

#include "mp4pyldutil.h"
#include "safestring.h"
#include "hxccf.h"    // IHXCommonClassFactory
#include "ihxpckts.h" // IHXBuffer, IHXValues
#include "sdptools.h" // HexStringToBinary

#define MAX_INT_TEXT_LENGTH	10

HX_RESULT CHXMP4PayloadUtil::GetFMTPConfig(IHXValues* pFMTParams, 
					   IHXCommonClassFactory* pCCF,
					   REF(IHXBuffer*)pConfigBuf)
{
    IHXBuffer* pConfigStr = 0;
    HX_RESULT res = pFMTParams->GetPropertyCString("FMTPconfig", 
						   pConfigStr);
    if (FAILED(res))
    {
	ULONG32 ulConfigVal = 0;
	
	if ((HXR_OK == (res = pFMTParams->GetPropertyULONG32("FMTPconfig", 
							     ulConfigVal))) &&
	    (HXR_OK == (res = pCCF->CreateInstance(IID_IHXBuffer, 
						   (void**)&pConfigStr))) &&
	    (HXR_OK == (res = pConfigStr->SetSize(MAX_INT_TEXT_LENGTH + 1))))
	{
									       
	    SafeSprintf((char*) pConfigStr->GetBuffer(),pConfigStr->GetSize(),
		    "%ld", ulConfigVal);
	}
    }
    
    if (pConfigStr)
    {
	const char* pConfig = (char*) pConfigStr->GetBuffer();

	if (pConfig)
	{		    
	    ULONG32 ulConfigSize = strlen(pConfig) / 2;
		
	    if ((ulConfigSize > 0) &&
		(HXR_OK == (res = pCCF->CreateInstance(IID_IHXBuffer,
						       (void**)&pConfigBuf)))&&
		(HXR_OK == (res = pConfigBuf->SetSize(ulConfigSize))))
		
	    {
		res = HexStringToBinary(pConfigBuf->GetBuffer(), pConfig);
	    }
	}

	pConfigStr->Release();
	pConfigStr = 0;
    }

    return res;
}